Discussion and Measurement of Applying a Cooling Fogging Air-Conditioning System for Working Environment Cooling and Air Quality Improvement

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Title:	Discussion and Measurement of Applying a Cooling Fogging Air-Conditioning System for Working Environment Cooling and Air Quality Improvement
Authors:	Yu, Kuang-Cheng Huang, Hsiang-Min Chiang, Yen-Ching
Contributors:	圖書館
Keywords:	blowing spray system cooling fogging cooling evaporative cooling
Date:	2015-05
Issue Date:	2016-10-18 09:29:23 (UTC+8)
Abstract:	The traditional blowing spray cooling system uses turbulent fan and mist at ambient temperature to cool an open space based on the principle of evaporative cooling. However, its cooling effect is affected by the mist temperature, spray capacity and ambient wet-bulb temperature. If the spray particle temperature is not reduced, the cooling effect is limited. Before reaching the preset target ambient temperature, the spray capacity of the system needs to be increased, thus may overwet the environment and affect its applicability. This study used the refrigerating air conditioning technology to modify a water chiller to a cooling fogging chiller for the blowing spray cooling system. The system can spray 8°C low temperature mist under high pressure, thus improving the poor cooling efficiency of the conventional design. The on/off of the cooling fogging air-conditioning system can be controlled by the ambient humidity, thus avoiding excessive ambient humidity. The measurement results showed that the system can reduce the ambient temperature by an average of 5.5°C or more, ensure the stability of the humidity change, increase the number of anions in the environment during operation, thus effectively improving the ambient air quality.
Relation:	Journal of Applied Sciences, vol. 15, issue 5, pp. 763-772
Appears in Collections:	[Department of Refrigeration & Air Conditioning] 【冷凍空調與能源系】期刊論文

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